DR. BRIAN A BRENNAN M.D.
NPI 1376536920
Allergy & Immunology in Morris, MN

Q: What is Brian Brennan's NPI number?

The NPI number for Brian Brennan is 1376536920. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Q: What is Brian Brennan's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Brian Brennan was last updated on November 1, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 30, 2005PECOS EnrolledAccepts Medicare Assignment

85.21/100

CMS Quality Rating

400 E 1ST ST, MORRIS, MN 56267(320) 589-1313(320) 589-1065 Get Directions Write a Review

NPPES record last updated: November 1, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Brian A Brennan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. BRIAN A BRENNAN M.D. (NPI 1376536920) is an individual allergy & immunology provider in Morris, Minnesota, licensed in South Dakota (5795) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Lake Region Healthcare Corporation, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1376536920

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameDR. BRIAN A BRENNANCredential: M.D.

Location Address400 E 1ST STMorris, MN 56267-1408

Mailing Address400 E 1st StMorris, MN 56267-1408 · (320) 589-1313

Phone(320) 589-1313

Fax(320) 589-1065

Sole ProprietorYes

Medical School CMSOtherGraduated 1985

Enumeration DateAugust 30, 2005

Last NPPES UpdateNovember 1, 2018

✔ NPI 1376536920 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in SD · 5795

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedPediatricsTaxonomy 208000000X · License 5795 (SD)

400 E 1ST ST, Morris, MN 56267

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Other Identifiers 1

Medicaid5900500SD

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Brian A Brennan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618978164

PECOS Enrollment IDI20150701002186

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

410 services17 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

83 services53 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

58 services57 patients

Test to determine lung volumes using gas dilution or washout 94727

This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.

44 services44 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

42 services42 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

33 services24 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lake Region Healthcare Corporation

Acute Care Hospitals · Fergus Falls, MN

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240052

Location712 South Cascade StreetFergus Falls, MN 56537 · Otter Tail County

Emergency services

Prairie Ridge Hospital And Health Services

Critical Access Hospitals · Elbow Lake, MN

OwnershipVoluntary non-profit - Private

CMS Certification Number241379

Location1411 Highway 79 EElbow Lake, MN 56531 · Grant County

Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.21/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

86.39

Promoting Interoperability

Improvement Activities

Cost

67.66

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN SOONTOHRN ANDERSON DO

Family Medicine

400 E 1ST ST
MORRIS, MN 56267

Stevens County (320) 589-1313

SANFORD MEDICAL CENTER FARGO

Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)

400 E 1ST ST
MORRIS, MN 56267

Stevens County (320) 589-2832

STEPHANIE JOY KNOBLOCH CFNP

Nurse Practitioner (Family)

400 E 1ST ST
MORRIS, MN 56267

Stevens County (320) 589-1313

MR. STEVEN EDWARD LIENEMANN RPH

Pharmacist

400 E 1ST ST
MORRIS, MN 56267

Stevens County (320) 589-7679

DR. DANIEL JAMES O'CONNOR MD

Family Medicine

400 E 1ST ST
MORRIS, MN 56267

Stevens County (320) 589-1313

TIERZA THORMODSON

Nurse Practitioner (Family)

400 E 1ST ST
MORRIS, MN 56267

Stevens County (320) 589-1313

RISA ANN DORWEILER NP

Nurse Practitioner

400 E 1ST ST
MORRIS, MN 56267

Stevens County (320) 589-1313

BENJAMIN BERDAL DPT

Physical Therapist

400 E 1ST ST
MORRIS, MN 56267

Stevens County (320) 589-7658

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian Brennan's NPI number?

The NPI number for Brian Brennan is 1376536920. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Brian Brennan located?

Brian Brennan practices at 400 E 1st St, Morris, MN 56267. The listed phone number is (320) 589-1313.

What is Brian Brennan's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Brian Brennan enrolled in Medicare?

Yes. Brian Brennan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Brian Brennan accept?

Health plans from Medica and Sanford Health Plan list Brian Brennan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Brian Brennan affiliated with any hospitals?

According to CMS data, Brian Brennan is affiliated with Lake Region Healthcare Corporation and Prairie Ridge Hospital And Health Services.

When was this NPI record last updated?

The NPPES record for Brian Brennan was last updated on November 1, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.